JPS5967727A - デジタル入力回路 - Google Patents

デジタル入力回路

Info

Publication number
JPS5967727A
JPS5967727A JP17802782A JP17802782A JPS5967727A JP S5967727 A JPS5967727 A JP S5967727A JP 17802782 A JP17802782 A JP 17802782A JP 17802782 A JP17802782 A JP 17802782A JP S5967727 A JPS5967727 A JP S5967727A
Authority
JP
Japan
Prior art keywords
input
digital input
input circuit
isolated
photocoupler
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP17802782A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0441535B2 (enrdf_load_html_response
Inventor
Noritaka Egami
江上　憲位
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP17802782A priority Critical patent/JPS5967727A/ja
Publication of JPS5967727A publication Critical patent/JPS5967727A/ja
Publication of JPH0441535B2 publication Critical patent/JPH0441535B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/78—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used using opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled
    • H03K17/795—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used using opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled controlling bipolar transistors
    • H03K17/7955—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used using opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled controlling bipolar transistors using phototransistors

Landscapes

  • Electronic Switches (AREA)
JP17802782A 1982-10-09 1982-10-09 デジタル入力回路 Granted JPS5967727A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17802782A JPS5967727A (ja) 1982-10-09 1982-10-09 デジタル入力回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17802782A JPS5967727A (ja) 1982-10-09 1982-10-09 デジタル入力回路

Publications (2)

Publication Number Publication Date
JPS5967727A true JPS5967727A (ja) 1984-04-17
JPH0441535B2 JPH0441535B2 (enrdf_load_html_response) 1992-07-08

Family

ID=16041299

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17802782A Granted JPS5967727A (ja) 1982-10-09 1982-10-09 デジタル入力回路

Country Status (1)

Country Link
JP (1) JPS5967727A (enrdf_load_html_response)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5046353A (enrdf_load_html_response) * 1973-08-29 1975-04-25
JPS5532313A (en) * 1978-08-29 1980-03-07 Tokyo Shibaura Electric Co Relay state indicator
JPS5578431A (en) * 1978-12-06 1980-06-13 Matsushita Electric Works Ltd Contactless output electric equipment

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5046353A (enrdf_load_html_response) * 1973-08-29 1975-04-25
JPS5532313A (en) * 1978-08-29 1980-03-07 Tokyo Shibaura Electric Co Relay state indicator
JPS5578431A (en) * 1978-12-06 1980-06-13 Matsushita Electric Works Ltd Contactless output electric equipment

Also Published As

Publication number Publication date
JPH0441535B2 (enrdf_load_html_response) 1992-07-08

Similar Documents

Publication Publication Date Title
JPS5947694A (ja) 警報装置のセンサ試験回路
JPS61187001A (ja) アナログ出力回路網
JPS58181200A (ja) 汎用入出力装置
JPS5967727A (ja) デジタル入力回路
US4309768A (en) Mismatch detection circuit for duplicated logic units
JPS583541A (ja) 交流電源の二重化制御回路
JPS60183826A (ja) デ−タ伝送回路
IL43332A (en) Voltage adapting arrangement between switching units of switch circuit series and outer circuits
JPH0341842A (ja) 伝送システム
JPS584505B2 (ja) 論理信号伝送装置
JP3289815B2 (ja) 断線検出装置
JPS6043548B2 (ja) デジタル出力回路の動作確認方式
JPH06138989A (ja) ディジタル入力回路および入力回路の点検方法
JPH0811084A (ja) 非常停止装置
JPS58218724A (ja) ２重系リレ−駆動装置
JPS6335115A (ja) 静止形保護継電器の常時監視回路
JPS5977750U (ja) 電気回路の誤動作検出装置
JPS60166002U (ja) 二重化制御用アナログ出力回路の異常検出回路
JPH04260998A (ja) セキュリティユニット
JPS645339B2 (enrdf_load_html_response)
JPS5851388U (ja) 火災警報地区ベル線の障害検出回路
JPS577569A (en) Detecting system for disconnection in digital output circuit
JPS6082973A (ja) 電圧障害検出回路
JPS6294021A (ja) バイステ−ブル出力回路
JPS6131660B2 (enrdf_load_html_response)